. >> reporter: in the office, becker also took a picture of a stock stack of brooks written by a self-proclaimed former lesbian. who claims she was able to cure her homosexuality through god. >> i believe god was by my side. calling my name even though i was trapped in this sin. >> on the wall was a personal endorsement from dr. bachmann recommending her book and saying her book spoke a truth that could set people free. >> reporter: becker attended five sessions at the bachmann clinic, charged about $73 for each visit. each session began and ended with a prayer. the american psychological association has told members the idea of converting gays through therapy and prayer, called reparative therapy, is both ineffective and potentially harmful. >> efforts to pray away sexual orientation from the evidence we've seen areunlikely to be effective. now, that's not to say that people can't change their behavior or even change their identity, but changing their sexual orientation, changing that deep part of them about who they're attracted to, which emerges spontaneously in adolescence without choice, we